Key-socket switch.



H.- HUBBELL. 'y KEY SOCKET SWITCH. APPLIIOATION ljILED DEG. 21, 190s.

Patented May 18,1909. f

'l TVE1 i lt @Fili-lf li.

KEY-SOCKET SWITCH.

Specification of Letters Patent.

Patented May 18, 1909.

Application filed December 21, 1908. Serial No. 468.1174.

To all whom 'it may concern.:

Be it known citizen of the ridgeport, county necticut, have Key-Socket Switch, of

that I, HARVEY United States,

is a specification.

sockets and has for an object'v to lprovide a. switch of this character which while haring a relatively shall be soeliet may A further,

generally simplify,

wide sweep and a large break so constructed that the size of the he great-ly reduced.

object -of the invention is to cheapen and to perfect the details of construction.

With these ends in View l have devised a switch having a horizontal contact plate rol.

tating in a plane at right of rotation of the shaft.

In the accompanying drawing` Vpart of this specification, Figure 1 is a vertif cal sec-tion of Fig. 2 a plan View with the.

forming a niy novel socket complete;

and Fig. l is a detail angles to the plane l cap plate re-i I 3 a detail view of the operating niecl ianisni detached g angular block 2S, four-sided in the HCBBELL, a. l residing at 5 of Fairfield, State of (.oni invented a new and useful,I which the following f .1 operate with a, snap. This invention relates to switches for hey ,3

2) denotes a pinion carried by the block which meshes with a c'ear wheel 3l.) mounted of which is rigidly through the cap pla View showing the shaft in section and the j angular block in elevation.

1() denotes an insulating base and 11 the rithin the base is a recess 1.2

screw shell. which receives the operative parts of the Mitch and which is closed by an insulating 's i plate 13.V

switch are carried The operative parts of the by a franie 14 which is se cured in place by a central screw 15 having a head 16 for engagement with the center contact of a lanip (not shown). passes through a. inetal washer through one or the screw shell.

head is and 1S,

1 7 more insulating washers plate I vents displacement of the to rotate on a vertical stud 31 the lower end secured to the franie, the threaded and passing te. A nut 32, which is shown'as'recessed rito the cap plate. engages the threaded end of the stud to secure the cap in place and also to give rigidity to thc fraaie and operative parts of the switch. The under side of the cap plate is shown as provided with a circular hoss 33 which lies within the side walls ol' the base and precap relatively to' upper end being the hase.

34 denotes a.v contact plate, preferably i'esilient, Vwhich is rigidly secured to gear wheel 30, as by rivets 35, so as to rotate therewith. 36 denotes a contact which is adapted to be engaged by one of the ends of the contact at each lalterna-te actuation. This plate carries a binding screw 37 which lies in a` recess 3S in the side wall of the base.

39 denotes a. spring which is secured to the base, as at 40, and. the free end. of which en gages the sides of angular block 2S to retain and contact plate in place after cach actuation, the only lost inotion being between the This screw l shaft and the liloelz. At each actuation of the hnger piece in either direction, the angular block, pinion, gear wheel and contact preferably niica disks, lying in the hase of j The screw shell is additioii- I ally secured to the base by a screw 1Q whose of the spring until an angle of the block has I passed the dead center of engagement with shown as lying under the insulating g and Which passes through i the bottoni wall el' the hase and engages a late 2() which carries a binding screw 21 ying in a. recess 22 in the side wall of the base.

the spring when the latter will inove the block, iinion, gear wheel and contact plate forward with a snap and complete the quartcr rotation, which will more one end of the contact plate either into or out of engagenient with contact 36. It will be seen, therepasses through the base.

a slot 24 in the side wall of an insulating inger piece 25 for convenience in operation. wings 26 which The shaft is provided withv loosely engage slots 27 in an x jfore, that each means of the iinger piece either At the outer end of the shaft is I actuation of the shaft by Opens 0l closes the circuit.

The passage of the current is froinbinding screw 21 through plate 20 and sc'rew 19 t0 the screw shell, thence to the lanip (not shoim) and returning from the center Contact of the loo t claim:

rotating. in a plane at right angles to the lamp to center screw 15, the frame, gear plane atright angles to the plane of rotation Wheel lSO and the contact plate to contact 36v4 of theishaft, i.

and binding screw 37: f v LA sWitcli of 'the character described, Having thus described rny invention, I comprising a' in.l ne, a shaft mounted to ro'- tate therein, a block loosely carried byy the l. A switch of the character described [shaft and carrying a pinion, al gear Wheel f comprising a shaft, an angular block Aloosely mounted to rotate on the i'raine and meshing carried thereby, a spring engaging said block, With'the pinion, and a contact plate carried for the purpose set forth, a` contact plate by the gear Wheel and rotating in a plane at right angles to the plane ci rotation of the plane of rotation of the shaft and operating sliaft.- 1- i connections between rthe shaft and the con- \5 A switch of the `character `described,

tact plate. comprising a shaft, a four-sided block loosely j BfA. switch of' liecliaractei' describe=;i, v l com rising a shaft having wings, an anguli'" i In'testiniony whereof I affix iny signa`tur^ 2. A switch ofthe character described, carried thereby,- a spring engaging the block, comprising a shaft, an angular block loosely for the purpose set forth, a pinion carried by carried tliereb and carr ino' a' inion 4a the 'block a ear wheel nieshinr With the spring engaging the angular block, for the pinion, a contadt plate carried by thegeai' purpose sot forth, anda gear wheeivmeshiiig Wheel and rotating in pla-ne at right angles with the pinion and carrying a contact plate t0 the plane of rotation of the 4shaftrfid a Wliich rotates in a plane at right angles to the contact which is engaged by the Contact lane of rotation of the shaft -plate at each alternate actuation ofthe shaft in either direction.

bloc i mounted on the shaft and having slots presence of ytWo Witnesses.

, 'ing the block, for theA purpose Aset `forth', a

loosely engaged by the Wings, a spring engag- HARVEY HUBBFLI` inion carried bythe -block, a gear. Wheel 'Witnessesz lIneshng with the pinion and a contact plate p i AQ M. Woos'rnn,

vcarried by the gear Wheel'and rotating'in a Sul/V'. ATHEiaToN., 

